The hex color #0d0cee is a dark color. The web-safe version is Hex
#0000FF. A complementary color is
#F2F311. The grayscale version is
#585858. A 20% lighter version of the original color is
#403FFF, and Hex
#0000BB is the 20% darker color. If the color is saturated by 10%, you get
#0604FD. If the color is desaturated by 10%, the color
#1414DF is obtained.